Code result
P2864
Shift Fork E Position Circuit Range/Performance
High severity
What it means
Shift fork E position sensor reports a value outside the calibrated travel window. Mechanical alignment off or sensor drift.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Sensor zero point drifted
highOne of the most commonly reported causes for this code — check this first.
Fork shaft worn
mediumA plausible cause — test and verify before replacing parts.
Sensor element aged beyond calibration window
lowLess common, but worth ruling out after the more likely causes.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P2864 freeNo credit card required